CA1041198A - Erbium laser ceilometer - Google Patents
Erbium laser ceilometerInfo
- Publication number
- CA1041198A CA1041198A CA226,544A CA226544A CA1041198A CA 1041198 A CA1041198 A CA 1041198A CA 226544 A CA226544 A CA 226544A CA 1041198 A CA1041198 A CA 1041198A
- Authority
- CA
- Canada
- Prior art keywords
- laser
- detector
- outgoing
- pulse
- optical axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052691 Erbium Inorganic materials 0.000 title claims abstract description 28
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 13
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 9
- 239000010453 quartz Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000004332 silver Substances 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000010979 ruby Substances 0.000 description 11
- 229910001750 ruby Inorganic materials 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 10
- 210000001525 retina Anatomy 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052769 Ytterbium Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052594 sapphire Inorganic materials 0.000 description 5
- 239000010980 sapphire Substances 0.000 description 5
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 231100000040 eye damage Toxicity 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000004087 cornea Anatomy 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 206010057430 Retinal injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 206010011026 Corneal lesion Diseases 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 241000533950 Leucojum Species 0.000 description 1
- 235000006679 Mentha X verticillata Nutrition 0.000 description 1
- 235000002899 Mentha suaveolens Nutrition 0.000 description 1
- 235000001636 Mentha x rotundifolia Nutrition 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 102100034742 Rotatin Human genes 0.000 description 1
- 101710200213 Rotatin Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000006121 base glass Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- -1 erbium ions Chemical class 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 150000002290 germanium Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001702 transmitter Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/468,342 US3963347A (en) | 1974-05-09 | 1974-05-09 | Erbium laser ceilometer |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1041198A true CA1041198A (en) | 1978-10-24 |
Family
ID=23859431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA226,544A Expired CA1041198A (en) | 1974-05-09 | 1975-05-08 | Erbium laser ceilometer |
Country Status (7)
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH625628A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1978-03-31 | 1981-09-30 | Impulsphysik Gmbh | |
JPS54147833A (en) * | 1978-05-12 | 1979-11-19 | Canon Inc | Distance measuring finder |
CH628139A5 (de) * | 1978-08-03 | 1982-02-15 | Fruengel Frank | Verfahren und einrichtung zur wolkenhoehenmessung. |
US4289397A (en) * | 1979-07-20 | 1981-09-15 | Avco Everett Research Laboratory, Inc. | Laser ceilometer signal processing means |
US4355893A (en) * | 1980-09-08 | 1982-10-26 | Sanders Associates, Inc. | Eye-safe laser cloud height rangefinder |
US4520360A (en) * | 1982-09-20 | 1985-05-28 | General Signal Corporation | Sensing vertical and horizontal visibility |
US4693244A (en) * | 1984-05-22 | 1987-09-15 | Surgical Laser Technologies, Inc. | Medical and surgical laser probe I |
DE3546210A1 (de) * | 1985-12-27 | 1987-07-02 | Gugg Anton Dipl Ing Fh | Laserentfernungsmesser |
DE3546152A1 (de) * | 1985-12-27 | 1987-07-02 | Gugg Anton Dipl Ing Fh | Laser |
FR2592485B1 (fr) * | 1985-12-31 | 1988-06-24 | Brown De Colstoun Francois | Station pour la detection et localisation, par des rayons laser d'un objet ou d'une substance susceptible de retro-diffuser au moins une partie du rayon laser incident et un systeme de detection d'une substance telle que la fumee notamment d'incendie en particulier de forets. |
JPH01172965U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-05-18 | 1989-12-07 | ||
US5563899A (en) * | 1988-08-30 | 1996-10-08 | Meissner; Helmuth E. | Composite solid state lasers of improved efficiency and beam quality |
US5852622A (en) * | 1988-08-30 | 1998-12-22 | Onyx Optics, Inc. | Solid state lasers with composite crystal or glass components |
US5272513A (en) * | 1991-12-06 | 1993-12-21 | Optical Air Data Systems, L.P. | Laser doppler velocimeter |
US5155621A (en) * | 1990-07-31 | 1992-10-13 | Fujitsu Limited | Optical fiber amplifier |
FR2671196B1 (fr) * | 1990-12-27 | 1994-05-06 | Sopelem | Dispositif telemetrique pour la detection et la localisation d'objets ou de substances retrodiffusants. |
US5241315A (en) * | 1992-08-13 | 1993-08-31 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Micro pulse laser radar |
JPH08331057A (ja) * | 1995-03-27 | 1996-12-13 | Sony Corp | 光信号送信装置及び光信号受信装置並びに光信号送受信装置 |
DE19804050B4 (de) * | 1998-02-03 | 2006-02-16 | Robert Bosch Gmbh | Vorrichtung zur optischen Distanzmessung |
US6160824A (en) * | 1998-11-02 | 2000-12-12 | Maxios Laser Corporation | Laser-pumped compound waveguide lasers and amplifiers |
US6650402B2 (en) * | 2000-02-10 | 2003-11-18 | Oceanit Laboratories, Inc. | Omni-directional cloud height indicator |
US6689998B1 (en) | 2000-07-05 | 2004-02-10 | Psc Scanning, Inc. | Apparatus for optical distancing autofocus and imaging and method of using the same |
US6621063B2 (en) * | 2001-06-21 | 2003-09-16 | Psc Scanning, Inc. | Omni-directional optical code reader using scheimpflug optics |
US6596996B1 (en) * | 2001-07-24 | 2003-07-22 | The Board Of Regents For Oklahoma State University | Optical spectral reflectance sensor and controller |
FR2863365B1 (fr) * | 2003-12-09 | 2006-03-24 | Cit Alcatel | Instrument d'observation, de type lidar, a optique d'adaptation de faisceau laser de sonde |
US7003006B2 (en) * | 2004-01-26 | 2006-02-21 | Li-Ning You | Green diode laser |
US7583364B1 (en) * | 2004-03-19 | 2009-09-01 | University Corporation For Atmospheric Research | High pulse-energy, eye-safe lidar system |
US7414706B2 (en) * | 2004-12-22 | 2008-08-19 | Northrop Grumman Corporation | Method and apparatus for imaging a target using cloud obscuration prediction and detection |
DE102008050201A1 (de) | 2008-10-01 | 2010-04-08 | Leibniz-Institut für Troposphärenforschung e. V. | Optische Einrichtung mit einer Sende-Einrichtung und einer Empfangseinrichtung |
CN101539424B (zh) * | 2009-04-29 | 2010-06-16 | 中国气象局气象探测中心 | 夜间成像云高测量方法 |
US10533892B2 (en) | 2015-10-06 | 2020-01-14 | View, Inc. | Multi-sensor device and system with a light diffusing element around a periphery of a ring of photosensors and an infrared sensor |
US9645465B2 (en) | 2011-03-16 | 2017-05-09 | View, Inc. | Controlling transitions in optically switchable devices |
US11822202B2 (en) | 2011-03-16 | 2023-11-21 | View, Inc. | Controlling transitions in optically switchable devices |
US11635666B2 (en) | 2012-03-13 | 2023-04-25 | View, Inc | Methods of controlling multi-zone tintable windows |
US11950340B2 (en) | 2012-03-13 | 2024-04-02 | View, Inc. | Adjusting interior lighting based on dynamic glass tinting |
US10048561B2 (en) | 2013-02-21 | 2018-08-14 | View, Inc. | Control method for tintable windows |
US9638978B2 (en) | 2013-02-21 | 2017-05-02 | View, Inc. | Control method for tintable windows |
US11674843B2 (en) | 2015-10-06 | 2023-06-13 | View, Inc. | Infrared cloud detector systems and methods |
US12372846B2 (en) | 2013-02-21 | 2025-07-29 | View Operating Corporation | Control methods and systems using external 3D modeling and schedule-based computing |
US11960190B2 (en) | 2013-02-21 | 2024-04-16 | View, Inc. | Control methods and systems using external 3D modeling and schedule-based computing |
US11966142B2 (en) | 2013-02-21 | 2024-04-23 | View, Inc. | Control methods and systems using outside temperature as a driver for changing window tint states |
US11719990B2 (en) | 2013-02-21 | 2023-08-08 | View, Inc. | Control method for tintable windows |
US9784887B1 (en) * | 2013-08-12 | 2017-10-10 | Physical Optics Corporation | Meteorological sensing systems and methods |
CN103645745B (zh) * | 2013-11-05 | 2016-05-25 | 皖江新兴产业技术发展中心 | 一种双轴激光云高仪收发光学系统光轴平行调整方法及装置 |
US11566938B2 (en) | 2014-09-29 | 2023-01-31 | View, Inc. | Methods and systems for controlling tintable windows with cloud detection |
US11781903B2 (en) | 2014-09-29 | 2023-10-10 | View, Inc. | Methods and systems for controlling tintable windows with cloud detection |
EP3201613B1 (en) * | 2014-09-29 | 2021-01-06 | View, Inc. | Sunlight intensity or cloud detection with variable distance sensing |
TWI727931B (zh) | 2014-09-29 | 2021-05-21 | 美商唯景公司 | 組合式感測器系統 |
US10775504B2 (en) * | 2016-09-29 | 2020-09-15 | Honeywell International Inc. | Laser air data sensor mounting and operation for eye safety |
CN109491038A (zh) * | 2017-09-12 | 2019-03-19 | 北京维天信气象设备有限公司 | 一种激光测云仪光学系统的焦距自动调节装置及方法 |
US11561325B2 (en) * | 2019-10-10 | 2023-01-24 | Intellisense Systems, Inc. | Modular weather sensing system and method |
CN112733813B (zh) * | 2021-03-30 | 2021-07-30 | 北京三快在线科技有限公司 | 一种数据降噪的方法及装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1982774A (en) * | 1929-04-27 | 1934-12-04 | Ig Farbenindustrie Ag | Mirror |
US2103538A (en) * | 1934-11-22 | 1937-12-28 | Bausch & Lomb | Reflector |
DE1107951B (de) * | 1958-05-21 | 1961-05-31 | Siemens Ag | Wolkenhoehenmesseinrichtung |
US3146120A (en) * | 1962-01-11 | 1964-08-25 | American Optical Corp | Absorptive glasses |
US3339150A (en) * | 1963-06-03 | 1967-08-29 | Raytheon Co | Liquid cooled solid state laser |
US3471800A (en) * | 1964-12-17 | 1969-10-07 | Hughes Aircraft Co | Resonant reflector for laser beam output |
US3556657A (en) * | 1968-01-26 | 1971-01-19 | Fred W Quelle Jr | Laser rangefinder |
US3518570A (en) * | 1969-06-02 | 1970-06-30 | Us Army | Laser exciter system |
US3782824A (en) * | 1972-06-01 | 1974-01-01 | Sperry Rand Corp | Apparatus and method for measuring extinction coefficient of an atmospheric scattering medium |
US3781552A (en) * | 1972-08-02 | 1973-12-25 | K Kadrmas | Self-calibrating multiple field of view telescope for remote atmospheric electromagnetic probing and data acquisition |
-
1974
- 1974-05-09 US US05/468,342 patent/US3963347A/en not_active Expired - Lifetime
-
1975
- 1975-05-08 JP JP50054333A patent/JPS6026962B2/ja not_active Expired
- 1975-05-08 CA CA226,544A patent/CA1041198A/en not_active Expired
- 1975-05-09 DE DE2520745A patent/DE2520745C2/de not_active Expired
- 1975-05-09 FR FR7514936A patent/FR2270600B1/fr not_active Expired
- 1975-05-09 CH CH600475A patent/CH585909A5/xx not_active IP Right Cessation
- 1975-05-09 GB GB19699/75A patent/GB1507208A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6026962B2 (ja) | 1985-06-26 |
CH585909A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-03-15 |
FR2270600A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-05 |
US3963347A (en) | 1976-06-15 |
GB1507208A (en) | 1978-04-12 |
JPS50153689A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-10 |
DE2520745C2 (de) | 1986-11-06 |
DE2520745A1 (de) | 1975-11-20 |
FR2270600B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-07-01 |
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